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425results about How to "Good function and effect" patented technology

Preparation method of star polycarboxylic acid high-performance water reducing agent

ActiveCN102887979AExtended Dionon Design-Structure-PropertyExpanding the theoretical connotation of the design-structure-performance of moleculesWater reducerPollution
The invention relates to a preparation method of a star polycarboxylic acid high-performance water reducing agent. Polybasic alcohol and (methyl) acrylic acid used as main raw materials for esterification are esterified and polymerized to prepare the star polycarboxylic acid high-performance water reducing agent material: the (methyl) acrylic acid and polybasic alcohol used as reactants are esterified under the action of a catalyst to firstly prepare a star polymerizable active terminal, and free-radical polymerization reaction is carried out with unsaturated polyethenoxy ether, molecular weight regulator and unsaturated carboxylic acid monomer under the action of an initiator to prepare the star polycarboxylic acid high-performance water reducing agent. The invention is easy to control, and has the advantages of high polymerization degree, low cost and no pollution; the esterification reaction is carried out form an active core, and the free-radical polymerization is carried out to generate the chain arm, thereby implementing the polycarboxylic acid high-performance water reducing agent in a star molecular structure; and under the condition of common doping amount and low doping amount, the star polycarboxylic acid high-performance water reducing agent has better cement paste flowability and holding capacity than the traditional linear and comb polycarboxylic acid water reducing agents, and has favorable cement adaptability and concrete application performance.
Owner:GUIZHOU DR SHI TECH

Preparation method of starch grafted copolymer inverse emulsion for drilling fluid

The invention relates to a preparation method of a starch grafted copolymer inverse emulsion for a drilling fluid. The method comprises the following steps of: adding an emulsifier sorbitan monooleate into white oil, and stirring, dissolving and introducing nitrogen to obtain an oil phase; dissolving potassium hydroxide in water, adding 2-acrylamidyl-2-methyl propanesulfonic acid, acrylamide, a vinyl monomer, a cationic monomer, polyoxyethylene sorbitan monooleate, ethylene diamine tetraacetic acid disodium salt and starch, and stirring to obtain an aqueous phase; adding the aqueous phase into the oil phase, adequately emulsifying, adjusting the pH value, introducing nitrogen, adding an initiator and a reducing agent; and stirring, heating, insulating heat, cooling, discharging and filtering under nitrogen protection to obtain the starch grafted copolymer inverse emulsion for the drilling fluid. The product serving as a drilling fluid treatment agent has good de-filtration effect, good thickening effect, a flow type regulating effect and good inhibition effect for dehydrating dispersion of clay and drillings, so that the quality of filter cakes is improved, the lubricity of the drilling liquid is improved and the processing cost of the drilling liquid is lowered, and the preparation method is suitable for various types of water-based drilling fluids.
Owner:CHINA PETROLEUM & CHEM CORP +1

Gas and oil separator

ActiveCN101900011AAvoid the problem of low separation effect at one timeEasy to separateMachines/enginesCrankcase ventillationProduct gasPetroleum engineering
The invention provides a gas and oil separator with good applicability and good gas and oil separating effect. The gas and oil separator comprises an air inlet, an air inlet passage communicated with the air inlet, a gas and oil separating cavity, an air outlet passage and an air outlet, wherein the air inlet passage and the gas and oil separating cavity are separated by a clapboard with a through hole; a baffle plate is arranged in the gas and oil separating cavity, is positioned behind the clapboard and faces the through hole of the clapboard; the gas and oil separating cavity is communicated with the air outlet passage below the gas and oil separating cavity through a cylinder in which a spiral air passage is formed; the cylinder is vertically arranged behind the baffle plate; an oil return groove is reserved at the bottom of the air outlet passage; a through hole communicated with the oil return groove is reserved on a gas and oil separating cavity bottom plate; and the air outlet passage is communicated with the air outlet through a PCV valve. Two types of gas and oil separating devices are arranged in the gas and oil separator and sequentially act to separate the gas and oil of the gas and oil separator for two times, so that the problem of poor effect of one-time separation of the traditional gas and oil separator is solved and the gas and oil separating effect is better.
Owner:CHERY AUTOMOBILE CO LTD

Composition with anti-aging function as well as preparation method and application thereof

The invention discloses a composition with an anti-aging function and a preparation method thereof as well as application of the composition with the anti-aging function in the field of skin care products. The composition with the anti-aging function is also called a biodynamic rejuvenating complex factor. The composition with the anti-aging function is prepared from the following raw materials in parts by weight: 1-50 parts of beluga caviar extract, 1-30 parts of GPPPPG, 1-2 parts of wild soybean protein, 0.1-5 parts of oxidordeuctase and 0.1-15 parts of palmitoyl oligopeptide and palmitoyl tetrapeptide-7. The composition with the anti-aging function can be used for effectively increasing content of type I collagen and type III collagen in skin, and the effects of reducing wrinkles, reducing loose skin and reducing skin roughness are realized; and the composition with the anti-aging function can be used for inhibiting decomposition of elastic fibers, promoting generation of elastic proteins in skin, enhancing skin elasticity and reducing damage of free radicals and ultraviolet rays (UV) on skin, and the effect of delaying skin senility is achieved. The composition with the anti-aging function can be widely applied to whitening, anti-aging, sunscreen and moisturizing nutrition-based cosmetics in dosage forms such as cream, emulsion, aqueous solution, hair gel and facial mask.
Owner:宝健(北京)生物技术有限公司

Quinolone antibiotic degrading bacterium and application thereof

The invention discloses a quinolone antibiotic degrading bacterium and application thereof and belongs to the technical field of biological treatment of environmental pollutants. The degrading bacterium is obtained by domestication and purification of livestock manure, and is named as Ochrobactrum sp. JOB, and was preserved in Guangdong Microbiological Culture Collection Center (GDMCC), Guangdong Province Institute of Microbiology on the fifth floor, No.59 Building, No.100 Courtyard, Xianlie Middle Road, Guanzhou City on December 21st, 2016, with a preservation number of GDMCC NO:60132. The degrading bacterium disclosed by the invention is prepared into bacterium suspension or an immobilized microbial agent which can be used for effectively removing quinolone antibiotic pollution in different environmental media such as a water body and soil; compared with a physical absorption method, a chemical degradation method and the like, the quinolone antibiotic degrading bacterium has the advantages of high efficiency, energy conservation, environment friendliness and the like; particularly, a bacterial body is immobilized by using an embedding agent, so that the life of the bacterial body is prolonged; the microbial agent has an excellent action effect and high ability of adaptation to environment.
Owner:JINAN UNIVERSITY

Microcapsule complex microbial inoculant and preparation method thereof

The invention discloses a microcapsule complex microbial inoculant and a preparation method thereof and relates to the technical field of water purification. The preparation method includes: respectively adding photosynthetic bacteria, bacillus subtilis, lactic acid bacteria, saccharomycetes, bacillus megatherium, nitrobacteria and rhodospirillum in fermentation liquor to perform fermentation; filtering solids in the current fermentation liquor after the fermentation, and performing low-temperature concentration on the fermentation liquor; adding xanthan gum, casein sodium and tween 80 into the concentrated fermentation liquor, and spray drying to obtain the microcapsule complex microbial inoculant after stirring and even dissolving, wherein the weight ratio of the xanthan gum to the fermentation liquor is 1-3%., the weight ratio of the casein sodium to the fermentation liquor is 0.5-1%. and the the weight ratio of the tween 80 to the fermentation liquor is 3-5%.. The microcapsule complex microbial inoculant and the preparation method thereof have the advantages that microbial inoculant storage time can be prolonged, the microbial inoculant can be evenly dispersed in water, synergic effects among various microorganisms can be promoted, and purifying efficiency is increased.
Owner:中科众沃生态科技(武汉)有限公司

Composite plant enzyme stoste, functional composite plant enzyme stoste and preparation method and functional food thereof

The invention discloses a compound plant enzyme stoste which comprises dozens of fruits/vegetables, 29 traditional Chinese medicines and the like. The compound plant enzyme stoste disclosed by the invention has the following advantages: the formula is precise and rational; first, the fruits/vegetables and traditional Chinese medicines are circularly fermented by composite zymocyte and stored for several years for ripening; then, thousands of enzymes are obtained through chelation and ripening, synergistic interaction is promoted by over 5 times, and overall curative effect is good; and the compound plant enzyme stoste has the functions of promoting production of body fluid and quenching thirst, replenishing qi and invigorating spleen, nourishing yin and strengthening yarn, improving body immunity, strengthening healthy qi, removing toxin and losing weight, reducing blood pressure and blood fat, activating blood and beatifying face, preventing and resisting cancer, resisting aging and the like, improving appetite and recovering constitution. The invention also discloses a functional composite plant enzyme stoste as well as a preparation method and functional food thereof, wherein the functional composite plant enzyme stoste is particularly suitable for losing weight, reducing blood pressure and blood fat, preventing cancer, resisting aging and improving body immunity and physical strength of sub-healthy people and is particularly adapted to the toxicity reducing and effect increasing for physical weakness, low appetite, postoperative rehabilitation and tumor chemoradiotherapy of a patient so as to improve the life quality of the patient.
Owner:徐建阳

Preparation method of star polycarboxylic acid high-performance water reducing agent

ActiveCN102887979BExtended Dionon Design-Structure-PropertyExpanding the theoretical connotation of the design-structure-performance of moleculesSuperplasticizerCarboxylic acid
This invention relates to a method for preparing a star-shaped polycarboxylate superplasticizer by the first esterification step with polyol and (meth)acrylic acid as main reactants and the second polymerization step. In the first step, the star-shaped polymerizable active ends were synthesized by esterification between polyol and (meth)acrylic acid in the presence of catalyst. In the second step, the final star-shaped polycarboxylate superplasticizer was prepared by radical polymerization among the product obtained in first step, unsaturated polyoxyethylene ethers, molecular weight regulator and unsaturated carboxylic acid in the presence of initiator. The production process of this invention exhibits some characteristics including simple, easily controllable, high polymerization degree, low cost and pollution free. The star-shaped molecular structure of polycarboxylate superplasticizer can be achieved through synthesizing active “core” by esterification and “arm” by radical polymerization. It showed better cement paste fluidity and fluidity retention, which manifested as better adaptability to cement and application performance in concrete, than both traditional linear and comb-shaped polycarboxylate superplasticizer at common or lower dosage.
Owner:GUIZHOU DR SHI TECH

Method for producing antiseptic oriented strand board through full-eucalyptus leftover materials

The invention provides a method for producing an antiseptic oriented strand board through full-eucalyptus leftover materials. The method comprises the procedures of material preparing, drying, peel and impurity removing, sorting and storing, surface layer and core layer gluing, classified paving, preheating press forming, sanding facing and the like. A surface layer is coated with an isocyanate wood dust powder composite adhesive, a core layer is coated with an antiseptic composite urea-formaldehyde resin adhesive, and core layer wood shavings are of three-layer structures including a core layer middle layer, a core layer upper surface layer and a core layer lower surface layer. The core layer middle layer is longitudinally laid, and the core layer upper surface layer, the core layer lower surface layer and the surface layer are transversely laid. According to the oriented strand board prepared through the method, the static bending intensity in the parallel direction ranges from 34 MPa to 38 MPa, and the parallel elasticity modulus ranges from 4,610 MPa to 4,780 MPa; and the vertical elasticity modulus ranges from 1,500 MPa to 1,774 MPa, the water absorption thickness swelling rate in 24 h ranges from 11% to 16%, and the vertical nail holding force reaches up to 89,000 N. Meanwhile, through adding of an antiseptic agent, the problem that panels are prone to suffering from corrosion of wood-destroying fungi, moulds and white ants is thoroughly solved, and the service life of the panels is prolonged.
Owner:广西横县新威林板业有限公司
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